i have a sexually active friend who is 16, and she came to me with a question i dont know the answer to. she said that her and her boyfriend started having sex in a diferent possition and it hurt her really bad. i told her that isnt abnormal, but then she told me she started bleeding like the next day but it wasnt time for her period. she also said that she has had to pee a whole lot more than usual. i was just wondering if anybody has any suggestions on what it could be.